Trane 4DCY4030 - Page 15

Page 15
Installer’s Guide
Figure 13. Typical Rooftop Down Airflow Application with Frame
Figure 12. Typical Rooftop Horizontal Airflow Application with Frame
Supply Air
Return Air
Roof Flashing
Channel Iron Center
Support (Center Sup-
port required on all
Frame Applications.)
Angle Iron Frame
Roof Flashing
Return Air
Angle Iron Frame
Roof Flashing
Supply Air
Channel Iron Center Support
(Center Support required on all
Frame Applications.)